Answer & Explanation:
World War One changed the lives of America socially, politically and economically. The war had a massive impact on almost every aspect of society, particularly women, workers and minorities.
The Aztec were super smart. They were very resourceful and technical.
The Vietnamese wanted to expand so America couldn't just let it happen even though everyone else let and aided the both sides of American's wars. Like for ex: If America or the Vietnamese didn't want to go to war. Than they wouldn't be imposing there government and rules any where else. Thus no imperialism if there was now war. Which means that the Vietnam War was manly dealing with imperialism from the Vietnamese. Imposing there rule on other parts of Asia.
Painting and sculpture were both important artistic mediums for the Sumerians. Sumerian artisans had to import some materials like stone and wood into their area, but trade was certainly important to the civilization as it grew.
Basically, people who are educated leave the country going towards places like Europe or the Americas. This leaves the country without educated people and the country can't develop which ruins its economy in turn because there's nobody to improve things and help build the country and its economy. These people go to other countries and help there.